In Chinese mythology Long Wang was a dragon king.
Nowadays, it means a big fat cock
Chinaman: Long Wang controls the elements

Modern man: I've got a long wang; look --flops onto table--
by Mungu February 27, 2007
Literally means "dragon king" (龙王) in Chinese, but in English it sounds like something else entirely.
Chinese guy named Long Wang: "Hey girl, wanna meet my namesake"?
by Blargargh July 8, 2017
A chinese name. Also means long dick.
I see you have a wang long, may I suck on it?
by Jack December 30, 2004